Add constructors and Javadoc comments to improve clarity and completeness across server components, including WebSocket and routing classes.

src/main/java/dev/coph/nextusweb/server/websocket/WebSocketSession.java

@@ -66,6 +66,8 @@ public final class WebSocketSession {
     }
 
     /**
+     * Returns the unique identifier generated for this session.
+     *
      * @return the unique session id
      */
     public String id() {
@@ -73,6 +75,8 @@ public final class WebSocketSession {
     }
 
     /**
+     * Returns the path the connection was established on.
+     *
      * @return the path the connection was established on
      */
     public String path() {
@@ -90,6 +94,8 @@ public final class WebSocketSession {
     }
 
     /**
+     * Indicates whether the connection is still open.
+     *
      * @return {@code true} if the underlying channel is still active (open)
      */
     public boolean isOpen() {
@@ -111,6 +117,8 @@ public final class WebSocketSession {
     }
 
     /**
+     * Returns the underlying Netty channel for advanced, low-level use.
+     *
      * @return the underlying Netty channel, for advanced use
      */
     public Channel channel() {